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Use file:// backend as temporary file storage. Also you can setup cache backend for you project in settings.py, for example: DJANGO_RESUBMIT_BACKEND = "file://tmp/?timeout=600" For more information about cache see Django documentation.
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@@ -2,3 +2,4 @@ python | |
| *.egg-info | ||
| *.pyc | ||
| example/db.sqlite | ||
| example/media | ||
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| Andrey Podoplelov | ||
| Evgeny V. Generalov | ||
| Ilya Shalyapin |
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142 changes: 142 additions & 0 deletions
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django_resubmit/static/django_resubmit/jquery.input_image_preview.js
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| /** | ||
| * Show image preview for <input type="file"> form field. | ||
| * | ||
| * $(":file").inputImagePreview({ | ||
| * place: function(frame) { $(this).before(frame); }, | ||
| * // <a href="/image.jpg">image.jpg</a> | ||
| * // <input type="file"> | ||
| * // display any url when input is empty | ||
| * imageUrl: function(){ return $(this).prevAll("a:first").attr("href");} | ||
| * }); | ||
| * | ||
| * @author Evgeny V. Generalov <e.generalov@gmail.com> | ||
| */ | ||
|
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||
| (function($){ | ||
| var pluginName = "inputImagePreview"; | ||
| var defaultOptions = { | ||
| maxWidth: 100, | ||
| imageUrl: null, | ||
| containerClass: 'image-preview', | ||
| imageClass: 'image-preview-picture', | ||
| atServerClass: 'atserver', | ||
| widthClass: 'width', | ||
| heightClass: 'height', | ||
| dom: null, | ||
| image: null, | ||
| url: 'javascript:void(0)' | ||
| }; | ||
| var base64ImgUriPattern = /^data:image\/((png)|(gif)|(jpg)|(jpeg)|(bmp));base64/i; | ||
|
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|
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| $.extend($.fn, { | ||
| inputImagePreview: function(options) { | ||
| return this.each(function(){ | ||
| var $this = $(this); | ||
| if ($this.data(pluginName)) { | ||
| var inputImagePreview = $this.data(pluginName); | ||
| $.extend(true, inputImagePreview, options); | ||
| inputImagePreview.render(); | ||
| } else { | ||
| $this.data(pluginName, new InputImagePreview(this, options)); | ||
| } | ||
| }) | ||
| } | ||
| }); | ||
|
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||
| var InputImagePreview = function(elem, options) { | ||
| var self = this; | ||
|
|
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| this.inputFile = $(elem); | ||
| this.options = $.extend(true, defaultOptions, options); | ||
|
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| if (!this.options.dom) { | ||
| this.dom = $('<a/>', {'href':options.url, 'target': '_blank', | ||
| 'class':this.options.domClass}).append( | ||
| this.image = $('<img/>', {'class':this.options.imageClass})).append( | ||
| this.width = $('<span></span>', {'class':this.options.widthClass}).append('×').append( | ||
| this.height = $('<span></span>', {'class':this.options.heightClass}))); | ||
| this.dom.insertAfter(this.inputFile); | ||
| } else { | ||
| this.dom = this.options.dom; | ||
| this.image = this.options.image || this.dom.find('img'); | ||
| this.width = this.options.width || this.dom.parent().find('.'+this.options.widthClass); | ||
| this.height = this.options.height || this.dom.parent().find('.'+this.options.heightClass); | ||
| this.options.url = this.dom.attr('href'); | ||
| } | ||
|
|
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| this.inputFile.bind({ | ||
| change: function(){self.render()} | ||
| }); | ||
|
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| this.dom.addClass(this.options.domClass); | ||
| this.image.addClass(this.options.imageClass); | ||
|
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| this.render(); | ||
| } | ||
|
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| $.extend(InputImagePreview.prototype, { | ||
| updateImage: function() { | ||
| var inputFileNode = this.inputFile.get(0); | ||
| var image = this.image; | ||
| var file = inputFileNode.files && inputFileNode.files[0]; | ||
| var imageUrl= null; | ||
| var hasUrl = false; | ||
| // Check if we can access the serialized file via getAsDataURL(). | ||
| if (file) { | ||
| /* firefox or chrome */ | ||
| if (file.getAsDataURL) { | ||
| /* firefox */ | ||
| var src = file.getAsDataURL(); | ||
| if (src && base64ImgUriPattern.test(src)) { | ||
| imageUrl = src; | ||
| } | ||
| } | ||
| } else if (inputFileNode.value) { | ||
| /* maybe ie */ | ||
| imageUrl = this.value; | ||
| } else { | ||
| /* empty input */ | ||
| imageUrl = this.options.thumbnailUrl || image.attr('src'); | ||
| hasUrl = !!imageUrl; | ||
| } | ||
|
|
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| if (!imageUrl) { | ||
| image.hide() | ||
| .removeAttr('src') | ||
| ; | ||
| } else { | ||
| image.attr({"src": imageUrl}) | ||
| .css({'max-width': this.options.maxWidth, | ||
| 'max-height': this.options.maxHeight}) | ||
| ; | ||
| if (hasUrl) { | ||
| image.addClass(this.options.atServerClass); | ||
| } else { | ||
| image.removeClass(this.options.atServerClass); | ||
| // adjust width and height | ||
| var img = new Image(); | ||
| img.src=imageUrl; | ||
| // we must wait for image loading, therefore we | ||
| // take img.width and img.height values assyncroniusly | ||
| setTimeout(function(c, img) { | ||
| c.width.text(img.width); | ||
| c.height.text(img.height)}, 1, this, img); | ||
| } | ||
| image.show(); | ||
| } | ||
| }, | ||
| updateContainer: function() { | ||
| if (this.image.hasClass(this.options.atServerClass)) { | ||
| this.dom.attr({'href': this.options.url}); | ||
| } else { | ||
| this.dom.removeAttr('href'); | ||
| } | ||
| }, | ||
| render: function() { | ||
| this.updateImage(); | ||
| this.updateContainer(); | ||
| } | ||
| }); | ||
|
|
||
| })(jQuery || django.jQuery); |
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